diff --git a/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt b/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt
index 0720857089a7..8facbce53db8 100644
--- a/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt
+++ b/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt
@@ -16,7 +16,7 @@ Board connectors:
  * Line In Jack
 
 wm8731 pins:
-cf Documentation/devicetree/bindings/sound/wm8731.txt
+cf Documentation/devicetree/bindings/sound/wlf,wm8731.yaml
 
 Example:
 sound {